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Texas On-Site Sewage Facility System (OSSF) Site Evaluator Contractor License

The On-Site Sewage Facility System (OSSF) Site Evaluator Contractor License provides the licensee with official authorization to:

  • Perform pre-construction site evaluations to determine a site's suitability for a particular OSSF System
  • Identify all features, within or near the location where an OSSF is to be installed, that could be contaminated by the OSSF or could interfere with the proper operation of the system

How to Get the On-Site Sewage Facility System (OSSF) Site Evaluator Contractor’s License in Texas?

  1. Meet the age requirement, which is 18
  2. Comply with one of the following requisites:
  3. Schedule and complete a OSSF - Site Evaluator Training Course with the TEEX
    • Applicants have the option to take the Licensing exam at the end of the training course, for this, the application process described on the next step should be completed 30 days prior to the beginning of said course
  4. Access the OLEA portal by creating an account on the TCEQ SUNSS platform and selecting the corresponding application form
  5. Pay for the corresponding fee through this platform as well
  6. Await for the informative letter and the instructions on how to register for the exam by mail If the application is approved by the Texas Commission on Environmental Quality

Texas On-Site Sewage Facility System (OSSF) Site Evaluator Contractor License Exam

Below are the currently available details regarding the On-Site Sewage Facility System (OSSF) Site Evaluator exam. Before candidates are allowed to take the computer-based test, they must first comply with the criteria to receive pre-approval from the Texas Commission on Environmental Quality. After receiving clearance, applicants can take four tests during a one-year approval period (the initial test plus up to three retests) at the Registered Test Center. If the candidate is ineligible to retake the examination, access to the licensing test will not be granted. Depending on the test site, applicants that fail to pass the initial test may retest it once right away, but must come back on a different day to attempt the remaining three out of their four chances.

Texas On-Site Sewage Facility System (OSSF) Site Evaluator Contractor Trade Exam

  • Testing Company: TCEQ
  • Testing Method: Computer-based testing; closed book
  • Time Allowed: 3 Hours
  • Subjects Involved:
    • Pre-construction site evaluations performance
    • Site's suitability determination for a particular OSSF System
    • Identification of all features, within or near the location where an OSSF is to be installed
    • Contamination or interference with the proper operation of the OSSF system
Details